Lighting fixture



FIG. 1 is a right, top perspective view of the lighting fixture showing the design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown on the drawings form no part of the claimed design. 

We claim the ornamental design for a lighting fixture, as shown and described. 